KOYO Bearing 691,Deep groove ball bearings, Extra-small miniature ball bearings Standard type. With its wide dimensional scope, the deep groove ball bearing is the most commonly used rolling bearing and is capable of simultaneously receiving a radial load and bidirectional axial load to a certain extent. Deep groove ball bearings are available in a variety of
sizes, and are the most popular of all roiling bearings. This type of bearing supports radial load and a certain degree of axial load in both directions simultaneously.
The calculation formulas of free misalignment are deduced for single-row deep groove ball bearings and double-row angular contact ball bearings by geometry analysis,and the free misalignment are analyzed and compared for both kinds of bearings.
KOYO Bearing 691,Deep groove ball bearings, Extra-small miniature ball bearings Standard type. correspond in their structure to a pair of single row deep groove ball bearings but have two raceway grooves, each with one row of balls. Due to the larger number of rolling elements, they can be subjected to higher loads than single row deep groove ball bearings.
Double row bearings are used where the load carrying capacity of single row deep groove ball bearings is not sufficient. Since the bearings can also support loads due to tilting, they are suitable for particularly short shafts that are supported by only one bearing.
The deep groove ball bearing with double-row rolling elements not only has all the characteristics of a standard deep groove ball bearing, but also provides a higher bearing capacity.
Application Fields
Motor, generator, agriculture, material transportation, industrial gearbox, food and beverage, industrial fan, vehicle, and medical apparatus and instruments
① With low friction torque, optimized by low vibration and low noise, and suitable for high-speed operation.
② Simple structure, standardized processing technology, reliable and durable, and cost-effective.
③ Being able to carry axial loads in both radial direction and axial direction, easy to install, low maintenance cost.
●Poly-amide molded cage(supplementary code : FG,MG)
●Pressed steel cage(supplementary code:/)
●Copper alloy machined cape (supplementary code:FY)(Peak] For canine applications,stainless steel sheet pressed cages (YS) may also be used.
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